Our Earth is about 4.5 billion years old and ... suggesting the Moon's dynamo - a molten core that, as it rotates, can ...

Lavas from hotspots—whether erupting in Hawaii, Samoa or Iceland—likely originate from a worldwide, uniform reservoir in ...

Reckoned by atomic seconds, however, Earth’s full journey around the sun took 31,622,401.14. As a result, two additional ...

It helps to visualize this: Earth’s inner core is a solid ball that is surrounded ... it’s essentially spinning at its own pace in a molten ocean at the center of our world.

With more than 4.5 billion years of history locked inside a ball of molten rock and iron ... A newly discovered doughnut shape in Earth's outer core may reveal elements that help drive the ...

In this theory, the moon formed from the impact debris—a mixture of molten rock and hot gas—flung ... so when the impact remixed the Earth, the newly formed tungsten sank into the metal core. This ...

We know that the Earth has an iron core surrounded ... which quickly outgasses and rises into the atmosphere. The iron core is located beneath the molten mantle of silicates.

The melting temperatures of deep mantle rocks decrease with an increase in mantle oxygen concentration, suggesting the need for re-evaluation of current Earth core formation and thermal evolution ...

When you walk across your lawn or down the street, you move on the surface of a surprisingly layered world. Some of those ...

Beyond the outer core lies the mantle, a 1,800-mile-thick layer of viscous molten rock on which Earth's outermost layer, the crust, rests. On land, the continental crust is an average of 19 miles ...